<template>
  <div>
    <button @click="show =!show">显示/隐藏</button>
    <!-- 这里的transition标签的name属性值必须与style标签的动画名称一致 -->
    <transition-group
        appear  
        name="animate_animated animate_bounce" 
        enter-active-class="animate__swing"
        leave-active-class="animate__backOutUp"
    >
        <h1 v-show="!show" key="1">你好啊！</h1>
        <h1 v-show="show" key="2">欢迎来到尚硅谷！</h1>
    </transition-group>
  </div>
</template>

<script>
import 'animate.css'
export default {
    name: 'Test',
    data() {
        return {
            show: true
        }
    }
}
</script>

<style scoped>
    h1 {
        background-color: orange;
        transition: 1s linear all;
    }
   
</style>